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Latest Jupiter Stories

Researchers Shed Light On Why Saturn Looks So Young
2013-04-30 14:52:47

At the dawn of our Solar System the planets were very hot, as the energy from their creation lingered. But over time the planets would cool, becoming darker, only occasionally paused in this process by large impacts or radioactive decay. At least that is what we would expect.

Meteoroids Slam Into Saturn’s Rings
2013-04-25 15:08:34

For the first time, scientists get a look at a meteoroid crashing through Saturn's rings thanks to imaging by the Cassini spacecraft that is in orbit around the sixth planet from the Sun.

Hubble Provides Great View Of Comet ISON
2013-04-24 08:46:26

Astronomers have been given the clearest view yet of a comet that is supposed to light up the skies later this year.

ESA Discovers Origin Of Jupiter's Mysterious Atmospheric Water
2013-04-23 13:41:09

The European Space Agency says it has unraveled the mystery as to the origin of water in the upper atmosphere of Jupiter. Observations from the Herschel space observatory found that the observable water deposits were left there from an impact.

2013-04-16 23:04:10

The Best Halfway House announces a new service area in Jupiter, Florida.

Windows Into Europa's Icy Interior
2013-04-15 05:40:10

By taking a second look at observations made more than a decade ago, NASA scientists have discovered regions that might give them the best look at the deep saltwater ocean beneath the icy shell of Jupiter’s moon Europa.

How Charged Water Particles Affect Saturn's Atmosphere
2013-04-10 19:36:15

A new study found that the "rain" of charged water particles in Saturn's atmosphere influences the composition and temperature of the planet's upper atmosphere and rings.

NASA Celebrates 40th Anniversary Of Pioneer 11
2013-04-05 14:51:40

NASA is celebrating the 40th birthday of the Pioneer 11 spacecraft. For the past four decades, Pioneer has been hurtling through space, capturing satellite images of the planets Jupiter and Saturn.

Building Blocks For Life May Be Found On Jupiter's MoonEuropa
2013-04-05 13:29:24

The building blocks of life are strewn across the galaxy on or beneath many planetary surfaces and new evidence from NASA suggests that the necessary cocktail for life could be sitting right on one of Jupiter’s moons.


Latest Jupiter Reference Libraries

9_4e0ee555c18ad7f31f4e1417f556ae6a2
2004-10-19 04:45:44

Satellite -- A satellite is an object that orbits another object. With sufficient tangential velocity, the object does not collide with the primary object it orbits, but maintains a distance from that object as the rate at which it falls towards that object is similar to the rate that it travels away, thus the object orbits the primary object and becomes a satellite. In other words: gravitational force serves as the centripetal force needed to make the object circle the primary...

9_5c04e476a527b2fbd3e32c57addd63822
2004-10-19 04:45:44

Galileo Probe -- The Galileo probe was an unmanned probe sent by NASA to study the planet Jupiter and its moons. Named after the astronomer Galileo Galilei, it was launched on October 18 1989 by the Space Shuttle Atlantis and arrived at Jupiter on December 7 1995. Galileo's launch had been significantly delayed by the hiatus in Space Shuttle launches that occurred after the Space Shuttle Challenger disaster, and new safety protocols that were implemented as a result forced Galileo to use...

8_06878c3866cc846df46ffb3d3441c9d92
2004-10-19 04:45:44

Retrograde Motion -- Retrograde motion is the orbital motion of a body in a direction opposite that which is normal to spatial bodies within a given system. 'Retrograde' derives from the Latin words retro, backwards, and gradus, step. In the Solar system, mostly everything rotates in the same sense: all major planets orbit the Sun counterclockwise as seen from the pole star (Polaris). Most planets spin in the same sense, including Earth. The same happens with the orbital motions of the...

7_9ed77167bb9b6f0379e955473d8eead32
2004-10-19 04:45:43

Positional Astronomy -- Positional astronomy is the study of the positions of celestial objects. This is the oldest branch of astronomy and dates back to antiquity. Observations of celestial objects are important for religious and astrological purposes, as well as for timekeeping. Ancient structures associated with positional astronomy include: -- Chichn Itz -- The Medicine Wheel -- The Pyramids -- Stonehenge -- The Temple of the Sun The unaided human eye can...

6_01f3c2cab5cf417ad24ef2a3539cb89c2
2004-10-19 04:45:42

Planetary Ring -- A planetary ring is a ring of dust and other small particles orbiting around a planet in a flat disc-shaped region. The most spectacular and famous planetary rings are those around Saturn, but all four of the solar system's gas giant planets (Jupiter, Saturn, Uranus, Neptune) possess ring systems of their own. The origin of planetary rings is not precisely known, but they are thought to be unstable and dissipate over the course of tens or hundreds of millions of...

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Word of the Day
postliminy
  • In Roman antiquity, the return of a person who had been banished, or taken prisoner by an enemy, to his old condition and former privileges.
  • In international law, that right by virtue of which persons and things taken by an enemy in war are restored to their former status when coming again under the power of the nation to which they belonged.
The word 'postliminy' comes from a Latin word meaning 'threshold'.